<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Bootstrap 101 Template</title>
    <link href="../../bootstrap/css/bootstrap.min.css" rel="stylesheet">

</head>
<body>
<button type="button" class="btn btn-danger">你好，世界！</button>

<script src="../../jquery/jquery-3.2.1.min.js"></script>
<script src="../../bootstrap/js/bootstrap.min.js"></script>
</body>
</html>